.component-tips {
    position: fixed;
    z-index: 999;
    top: 30%;
    right: 0;
    left: 0;
    display: block;
    margin: auto;
    padding: 1.5%;
    width: 60%;
    border-radius: 4px;
    background-color: rgba(0,0,0,.7);
    color: #fff;
    text-align: center;
    animation: fade-in 0.61s;
}